Finding the Fourth Proportional to 75,233.21, 112,857.26 and 27,860.94
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Solution
The fourth proportional to 75,233.21, 112,857.26 and 27,860.94 is: 41,794.17
Step by Step Solution
- Step 1: Write the proportion equation
75,233.21 : 112,857.26 = 27,860.94 : x - Step 2: Convert to fraction form
75,233.21/112,857.26 = 27,860.94/x - Step 3: Cross multiply
75,233.21x = 112,857.26 × 27,860.94 - Step 4: Simplify right side
75,233.21x = 3,144,309,210.12 - Step 5: Solve for x
x = 3,144,309,210.12/75,233.21 - Step 6: Final answer
x = 41,794.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.